2. Identify each of the following as either an open, closed, or isolated system: a. Reef ecosystem:
b. Nitrogen cycle:
c. Earth:
d. Biosphere:
e. Solar system:
f. Digestive system:
g. A national park:
h. A large lake:

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction

condensation. good luck!

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.